@import url("https://at.alicdn.com/t/font_2896514_04ivgiqg5yec.css");
/* 公共样式 */
.clearfix::after{
    content: "";
    display: block;
    clear: both;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
/* 具体样式 */
.pic{
    width: 256px;
    position: relative;
}
.pic .photo{
    height: 240px;
    width: 256px;
    border: 2px solid #008c8c;
    overflow: hidden;
    border-radius: 10px;
    background: url(/60fb8db9507dedd3b078886284efb65c.jpeg) no-repeat 0px 0px/301%;
    transition: background-position 0.5s;
}
.pic:hover button{
    display: block;
}
.pic button{
    width: 20px;
    height: 30px;
    line-height: 30px;
    color: #fff;
    cursor: pointer;
    border: none;
    background-color: rgba(0, 0, 0, 0.3);

    position: absolute;
    top: 50%;
    margin-top: -15px;
    font-size: 10px;

    display: none;
}
.pic button.leftButton{
    left: 0;
    border-radius: 0 15px 15px 0;
}
.pic button.rightButton{
    right: 0;
    border-radius: 15px 0 0 15px ;
}
.pic .circle{
    position: absolute;
    bottom: 10px;
    left: 50%;
    font-size: 0;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding:3px 0 ;
    margin-left: -25px;
}
.pic .circle span{
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #fff;
    margin: 0 3px;
    cursor: pointer;
}
.pic .circle span.active{
    background-color: #ff5000;
}